chore: remove unused ref

packages/frontend/src/pages/admin/federation.vue

@@ -9,7 +9,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<template #header><XHeader :actions="headerActions"/></template>
 		<MkSpacer :contentMax="900">
 			<div class="_gaps">
-				<div ref="form">
+				<div>
 					<MkInput v-model="host" :debounce="true" class="">
 						<template #prefix><i class="ti ti-search"></i></template>
 						<template #label>{{ i18n.ts.host }}</template>